Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fb292860e22717a…

MALICIOUS

PDF

100.4 KB
MD5: 8c66a64ba5952a5ee32902d77b806101 SHA-1: d4fcc71f6887060e2743f43a1c82b49e0d0b7d05 SHA-256: 1fb292860e22717a3bdd8c8b8d30530335ef15d7e35c42e8f4c1f704ef7bba95
148 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains an embedded script payload and triggers heuristics related to XFA forms and embedded script execution. ClamAV detections indicate it is a known exploit. The embedded script is likely responsible for executing the exploit, leading to a malicious outcome.

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000246.bin
5d3a9946100973fa7d68af08851518313f03cd446f2df447a6d9df857ae5c023		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102044 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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